Christopher, Matthew F.
Little, Brown and Company, 1973
Buku Teks
Tracy Tania, author
Universitas Indonesia, 2011
UI - Skripsi (Open)
Vidya Prahassacitta, author
Fakultas Hukum Universitas Indonesia, 2009
UI - Tesis (Open)
M. M. Purbo-Hadiwidjojo
ITB Press,
Buku Teks
UI-Press, 1986
UI - Publikasi